/Engine/Source/Editor/Kismet/Public/ReviewComments.h
Body must be set; username will get set by PostComment.
void PostComment ( [FReviewComment](API\Editor\Kismet\FReviewComment) & Comment, const [OnPostCommentComplete](API\Editor\Kismet\IReviewCommentAPI\OnPostCommentComplete) & OnComplete, bool bSilenceNotification ) const